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2 lis 2023 · For trailer tires (ST or Special Trailer tires), the general weight capacities for common load ranges are as follows: Load Range B : Typically up to 1,100 to 1,520 lbs per tire at maximum inflation. Load Range C : Typically up to 1,760 to 2,270 lbs per tire at maximum inflation.
For a 4.80-12 tire we have # TTWSF48012C which is a load range C, ply rating of 6. It is rated for 990 pounds at 90 psi and has an M speed rating (81 miles per hour). When shopping for trailer tires keep all of the above information in mind.
19 lip 2017 · Tire size 4.80-12 is not found on vehicles, but is a common trailer tire size on smaller utility- and sport-type trailers. In trailer use you do want to inflate them to the maximum cold psi pressure noted on the tire sidewall.
Expert Reply: Trailer tires that are the same size but with different load ratings will have different capacities. A load range C tire will have a higher capacity than a load range B tire of the same size.
Load Range C: These tires are rated for 6-ply strength and are common on heavier vehicles like SUVs, vans, and light trucks. They usually require an inflation pressure of around 50 PSI. Load Range D: These 8-ply-rated tires are designed for medium-duty trucks and some commercial vehicles.
Loadstar recommends always inflating your trailer tires to the maximum psi as stated on the sidewall of the tire. For this 4.80 x 12 in Load Range C, the recommended inflation is 90 psi. Proper inflation allows you to get the longest usable life out of your Loadstar trailer tire.
Trailer Tire Load Range Table. There are two factors you should consider when choosing a trailer tire: load range and load index. Load range describes a tire's toughness and load index describes a tire's carrying capacity (the max load). You can find both of these numbers on your tire's sidewall.
